/* css初始化 */
*{
    margin: 0;
    padding: 0;
}
ul{
    list-style: none;
}

body{
    background-color: #f3f5f7;
}

/*清除浮动的*/
.clearfix:before,
.clearfix:after {
	content: "";
	display: table;
}
.clearfix:after {
	clear: both;
}
.clearfix {
	*zoom: 1;
}

/* 版心1200px 水平居中 */
.wrap{
    width: 1200px;
    margin: 0 auto;
}
/* header start */
.header{
    margin: 30px auto;
    height: 42px;
}

.header .logo{
    float: left;
    margin-right: 70px;
    width: 196px;
    height: 42px;
}

.header .nav{
    float: left;
}

.nav li{
    float: left;
}

.nav li a{
    display: block;
    margin-right: 20px;
    padding: 0 10px;
    height: 42px;
    line-height: 42px;
    color: #050505;
    font-size: 18px;
    text-decoration: none;
}

.nav li a:hover{
    border-bottom: 2px solid #00a4ff;
}

.search{
    float: left;
    margin-left: 70px;
    height: 42px;
}

.search input{
    float: left;
    width: 340px;
    height: 40px;
    padding-left: 20px;
    border: 1px solid #00a4ff;
    color: #bfbfbf;
}

.search button{
    float: left;
    width: 50px;
    height: 42px;
    border: none;
    background: url(images/btn.png);
}

.user{
    float: left;
    margin-left: 30px;
    height: 42px;
    vertical-align: middle;
}
/* header end */

/* banner start */
.banner{
    width: 100%;
    height: 420px;
    background: #1c036c url(images/banner2.jpg) no-repeat center top;
}

.banner .sub-nav{
    float: left;
    padding: 0 20px;
    width: 150px;
    height: 420px;
    background-color: rgba(0, 0, 0, .4);
}

.banner .sub-nav ul li{
    height: 45px;
    line-height: 45px;
}

.banner .sub-nav ul li a{
    color: #ffffff;
    font-size: 14px;
    text-decoration: none;
}

.banner .sub-nav ul li a:hover{
    color: #00a4ff;
}

.banner .sub-nav ul li a span{
    float: right;
}

.banner .course{
    position: fixed;
    top: 120px;
    right: 20px;
    background-color: white;
    width: 230px;
    height: 300px;
}

.course .course-title{
    height: 48px;
    line-height: 48px;
    text-align: center;
    /* font-weight: bold; */
    font-weight: 700;
    background-color: #9bceea;
    color: rgb(255, 255, 255);
}

.course-bd{
   padding: 0 18px;
}

.course-bd ul{
    padding-top: 10px;
}

.course-bd ul li{
    margin-top: 10px;
    height: 50px;
    border-bottom: 1px solid #eaeaea;
}

.course-bd ul li h4{
    font-size: 14px;
    color: #4e4e4e;
}

.course-bd ul li p{
    font-size: 12px;
    color: #a5a5a5;
}

.all{
    display: block;
    width: 196px;
    line-height: 38px;
    height: 38px;
    border: 1px solid #00a4ff;
    text-align: center;
    text-decoration: none;
    font-size: 16px;
    color: #00a4ff;
}

.all:hover{
    background-color: #00a4ff;
    color: white;
}
/* banner end */

/* sub-nav start */
.goods{
    height: 60px;
    line-height: 60px;
    background-color: #fff;
    color: #bfbfbf;
}

.goods h3{
    float: left;
    margin: 0 30px;
    font-size: 16px;
    color:#00a4ff;
    font-weight: 400;
}
.goods a{
    padding: 0 30px;
    color: #050505;
    font-size: 16px;
    text-decoration: none;
}
.goods a:hover{
    text-decoration: underline;
}
.mod{
    float: right;
    margin-right: 30px;
    font-size: 14px;
    color: #00a4ff;
}
/* sub-nav end */

/* box start */
.box{
    margin-top: 34px;
}

.box-hd{
    background-color: #fff;
    height: 60px;
    line-height: 60px;
}

.box-hd h3{
    float: left;
    color: #494949;
    font-size: 20px;
    font-weight: 400;
}

.box-hd a{
    float: right;
    margin-right: 30px;
    color: #a5a5a5;
    font-size: 12px;
    text-decoration: none;
}

.box-bd{
    width: 1215px;
}

.box-bd ul li{
    float: left;
    margin-right: 15px;
    margin-bottom: 15px;
    width: 228px;
    height: 270px;
    background-color: #fff;
}

.box-bd img{
    width: 100%;
}

.box-bd h4{
    margin: 20px;
    color: #050505;
    font-size: 14px;
    font-weight: 400;
}

.box-bd p{
    margin: 0 20px;
    font-size: 12px;
    color: #999999;
}

.box-bd span{
    color: orange;
}

/* box end */

/* footer start */
.footer{
    padding-top: 30px;
    height: 385px;
}

.copyright{
    float: left;
}

.copyright p{
    font-size: 12px;
    color: #666666;
    margin: 20px 0 15px 0;
}

.copyright a{
    display: block;
    width: 118px;
    height: 34px;
    line-height: 34px;
    border: 1px solid #00a4ff;
    font-size: 16px;
    text-align: center;
    text-decoration: none;
    color:  #00a4ff;
}

.copyright a:hover{
    background-color: #00a4ff;
    color: white;
}

.link{
    float: right;
}

.link dl{
    float: left;
    margin-left: 100px;
}

.link dt{
    margin-bottom: 20px;
    color: #333;
    font-size: 16px;
}

.link dd a{
    color: #333;
    font-size: 12px;
    text-decoration: none;
}

.link dd a:hover{
    color: #00a4ff;
}
/* footer end */